263 lines
6.9 KiB
C
263 lines
6.9 KiB
C
/* $NetBSD: mainbus.c,v 1.11 2001/08/12 18:33:13 scw Exp $ */
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/*-
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Steve C. Woodford
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Derived from the mainbus code in mvme68k/autoconf.c by Chuck Cranor.
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*/
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#include "vmetwo.h"
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#define _MVME68K_BUS_DMA_PRIVATE
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#define _MVME68K_BUS_SPACE_PRIVATE
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#include <machine/bus.h>
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#undef _MVME68K_BUS_DMA_PRIVATE
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#undef _MVME68K_BUS_SPACE_PRIVATE
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#include <machine/cpu.h>
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#include <mvme68k/dev/mainbus.h>
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#if defined(MVME162) || defined(MVME172) || defined(MVME167) || defined(MVME177)
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#if NVMETWO == 0
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#include <dev/vme/vmevar.h>
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#include <mvme68k/dev/mvmebus.h>
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#include <mvme68k/dev/vme_twovar.h>
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#endif
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#endif
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void mainbus_attach __P((struct device *, struct device *, void *));
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int mainbus_match __P((struct device *, struct cfdata *, void *));
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int mainbus_print __P((void *, const char *));
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struct cfattach mainbus_ca = {
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sizeof(struct device), mainbus_match, mainbus_attach
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};
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struct mainbus_devices {
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const char *md_name;
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bus_addr_t md_offset;
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};
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#ifdef MVME147
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static struct mainbus_devices mainbusdevs_147[] = {
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{"pcc", MAINBUS_PCC_OFFSET},
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{"timekeeper", MAINBUS_TK147_OFFSET},
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{NULL, 0}
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};
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#endif
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#if defined(MVME162) || defined(MVME167) || defined(MVME172) || defined(MVME177)
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static struct mainbus_devices mainbusdevs_1x7[] = {
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{"pcctwo", MAINBUS_PCCTWO_OFFSET},
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{"vmetwo", MAINBUS_VMETWO_OFFSET},
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{"timekeeper", MAINBUS_TIMEKEEPER_OFFSET},
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{NULL, 0}
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};
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#endif
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struct mvme68k_bus_dma_tag _mainbus_dma_tag = {
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NULL,
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_bus_dmamap_create,
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_bus_dmamap_destroy,
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_bus_dmamap_load_direct,
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_bus_dmamap_load_mbuf_direct,
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_bus_dmamap_load_uio_direct,
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_bus_dmamap_load_raw_direct,
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_bus_dmamap_unload,
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NULL, /* Set up at run-time */
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_bus_dmamem_alloc,
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_bus_dmamem_free,
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_bus_dmamem_map,
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_bus_dmamem_unmap,
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_bus_dmamem_mmap
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};
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struct mvme68k_bus_space_tag _mainbus_space_tag = {
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NULL,
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_bus_space_map,
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_bus_space_unmap,
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_bus_space_peek_1,
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_bus_space_peek_2,
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_bus_space_peek_4,
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_bus_space_poke_1,
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_bus_space_poke_2,
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_bus_space_poke_4
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};
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/* ARGSUSED */
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int
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mainbus_match(parent, cf, args)
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struct device *parent;
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struct cfdata *cf;
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void *args;
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{
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static int mainbus_matched;
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if (mainbus_matched)
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return (0);
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return ((mainbus_matched = 1));
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}
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/* ARGSUSED */
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void
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mainbus_attach(parent, self, args)
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struct device *parent;
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struct device *self;
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void *args;
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{
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struct mainbus_attach_args ma;
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struct mainbus_devices *devices;
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int i;
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printf("\n");
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/*
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* Attach children appropriate for this CPU.
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*/
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switch (machineid) {
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#ifdef MVME147
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case MVME_147:
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devices = mainbusdevs_147;
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_mainbus_dma_tag._dmamap_sync = _bus_dmamap_sync_030;
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break;
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#endif
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#if defined(MVME162) || defined(MVME167) || defined(MVME172) || defined(MVME177)
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case MVME_162:
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case MVME_167:
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case MVME_172:
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case MVME_177:
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devices = mainbusdevs_1x7;
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_mainbus_dma_tag._dmamap_sync = _bus_dmamap_sync_0460;
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break;
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#endif
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default:
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panic("mainbus_attach: impossible CPU type");
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}
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for (i = 0; devices[i].md_name != NULL; ++i) {
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ma.ma_name = devices[i].md_name;
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ma.ma_dmat = &_mainbus_dma_tag;
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ma.ma_bust = &_mainbus_space_tag;
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ma.ma_offset = devices[i].md_offset + intiobase_phys;
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(void) config_found(self, &ma, mainbus_print);
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}
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/*
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* On mvme162 and up, if the kernel config file had no vmetwo0
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* device, we have to do some manual initialisation on the
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* VMEChip2 to get local interrupts working (ABORT switch,
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* hardware assisted soft interrupts).
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*/
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#if defined(MVME162) || defined(MVME172) || defined(MVME167) || defined(MVME177)
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#if NVMETWO == 0
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#if defined(MVME147)
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if (machineid != MVME_147)
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#endif
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{
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(void) vmetwo_probe(&_mainbus_space_tag,
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intiobase_phys + MAINBUS_VMETWO_OFFSET);
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}
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#endif
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#endif
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/*
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* Attach the memory controllers on mvme162->mvme177.
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* Note: These *must* be attached after the PCCChip2/MCChip.
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* They must also be attached *after* the VMEchip2 has been
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* initialised (either by the driver, or the vmetwo_probe()
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* call above).
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*/
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#if defined(MVME162) || defined(MVME172) || defined(MVME167) || defined(MVME177)
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#if defined(MVME147)
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if (machineid != MVME_147)
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#endif
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{
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ma.ma_name = "memc";
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ma.ma_dmat = &_mainbus_dma_tag;
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ma.ma_bust = &_mainbus_space_tag;
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ma.ma_offset = MAINBUS_MEMC1_OFFSET + intiobase_phys;
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(void) config_found(self, &ma, mainbus_print);
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ma.ma_offset = MAINBUS_MEMC2_OFFSET + intiobase_phys;
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(void) config_found(self, &ma, mainbus_print);
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}
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#endif
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/*
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* Attach Industry Pack modules on mvme162 and mvme172
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*/
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#if defined(MVME162) || defined(MVME172)
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#if defined(MVME147) || defined(MVME167) || defined(MVME177)
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if (machineid == MVME_162 || machineid == MVME_172)
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#endif
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{
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ma.ma_name = "ipack";
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ma.ma_dmat = &_mainbus_dma_tag;
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ma.ma_bust = &_mainbus_space_tag;
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ma.ma_offset = MAINBUS_IPACK_OFFSET + intiobase_phys;
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(void) config_found(self, &ma, mainbus_print);
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}
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#endif
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}
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int
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mainbus_print(aux, cp)
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void *aux;
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const char *cp;
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{
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struct mainbus_attach_args *ma;
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ma = aux;
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if (cp)
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printf("%s at %s", ma->ma_name, cp);
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printf(" address 0x%lx", ma->ma_offset);
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return (UNCONF);
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}
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